What type of planning application is most likely to be approved in Neath Port Talbot?

Wraparound Extension at 98.6% based on 293 decisions.

What is hardest to get planning permission for in Neath Port Talbot?

HMO at 83.3% based on 60 decisions.

How do approval rates vary by project type in Neath Port Talbot?

From 98.6% (Wraparound Extension) to 83.3% (HMO). What you build matters as much as where you build it.

Most Common Planning Applications in Neath Port Talbot

Not all planning applications are created equal. The gap between the highest and lowest approval project type in Neath Port Talbot is 15.3% — that's the difference between near-certainty and a coin flip. What you build matters as much as where you build it.

18,309 real decisions·16 project types·Updated September 2026

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All 16 project types ranked

#	Type	Decisions	Approved	Refused	Rate
1	Wraparound Extension	293	289	4	98.6%
2	Rear Extension	4,366	4,287	79	98.2%
3	Annex	155	152	3	98.1%
4	Conservatory	922	904	18	98.0%
5	Side Extension	2,291	2,230	61	97.3%
6	Extension (General)	2,485	2,385	100	96.0%
7	Garage / Parking	4,056	3,879	177	95.6%
8	Loft Conversion	135	128	7	94.8%
9	Outbuilding	740	701	39	94.7%
10	Dormer	711	670	41	94.2%
11	Front Extension	351	328	23	93.4%
12	Basement	79	73	6	92.4%
13	Flat Conversion	140	129	11	92.1%
14	Change of Use (Residential)	1,438	1,311	127	91.2%
15	New Build	428	373	55	87.1%
16	HMO	60	50	10	83.3%

See how this applies to your postcode →

These are council averages. Your property is specific.

A wraparound extension application has a 98.6% approval rate. HMO? Just 83.3%.
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What the data tells us

The range is massive: 83.3% to 98.6%. Choosing the right project type — or framing your application correctly — can dramatically affect outcomes.

Visibility drives scrutiny. Project types that change the external appearance — dormers, loft conversions, hip-to-gable — face more resistance than those that don't. The more visible your proposal, the more carefully it needs designing.

These are council-wide averages. Your ward, your street and your immediate neighbours all shift the odds. The comparable decisions near your property are the best indicator of outcome.

Before you spend £5,000+ on architects and drawings

1,081 planning applications in Neath Port Talbot have been refused since 2020. Many of those homeowners had already paid for drawings and application fees. A free, property-specific report shows you what gets approved — and what gets refused — near your property.

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More Neath Port Talbot planning data

Methodology: Classifies 18,309 decisions in Neath Port Talbot into residential project types using keyword matching against proposal descriptions (matching generate_site_data.py subtype rules). A single application may appear in multiple categories. Data from Neath Port Talbot Council's public planning portal, January 2020 to September 2026. Full methodology →